Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Got Hay Fever? New Tablets vs. Allergy Shots »

"April 24, 2014 -- As many as 4 in 10 Americans have sneezing, runny nose, and watery eyes due to allergies. If you're one of them, allergy shots can help ease your reaction to the plants, insects, or animals that trigger your symptoms. But they r".

Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.

The FDA package insert formatted in easy-to-find categories for health professionals and clinicians. No information provided.

Our Phenergan-Codeine (codeine and promethazine) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This medication can dry up and thicken mucus in your lungs, making it more difficult to breathe and clear your lungs. To help prevent this effect, drink plenty of fluids unless otherwise directed by your doctor. Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. l your doctor immediay if any of these unlikely but serious side effects occur: involuntary behaviors/movements (e.g., fixed upward stare, neck twisting, tongue movements), mental/mood changes (e.g., hallucinations, confusion), ringing in the ears, shaking (tremors), trouble urinating, weakness. Seek immediate medical attention if any of these rare but very serious side effects occur: easy bruising/bleeding, slow heartbeat, persistent nausea/vomiting, severe abdominal pain, yellowing eyes/skin, seizure. Codeine is changed into a strong narcotic drug (morphine) in your body. In some people, this change happens faster and more compley than usual, which increases the risk of very serious side effects. Get medical help right away if you notice any of the following: slow/shallow breathing, unusual drowsiness/difficulty waking up, confusion. This medication may rarely cause a very serious condition called neuroleptic malignant syndrome (NMS). Get medical help right away if you have any of the following symptoms: fever, muscle stiffness/pain/tenderness/weakness, severe tiredness, severe confusion, sweating, fast/irregular heartbeat, dark urine, change in the amount of urine. A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any of the following symptoms of a serious allergic reaction: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If you notice other side effects not listed above, contact your doctor or pharmacist. In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at. Read the entire patient information overview for Phenergan-Codeine (Codeine Phosphate and Promethazine HCl) »

Here is a collection of user reviews for the medication Phenergan-Codeine sorted by most helpful.

What is Patient Information in Detail?

Less serious side effects may include:

Medical Editor: John P. Cunha, DO, FACOEP.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is Patient Information Overview?

What is Prescribing information?

Read the Got Hay Fever? New Tablets vs. Allergy Shots article »

Phenergan-Codeine (codeine and promethazine) is used to treat cold or allergy symptoms such as runny nose, sneezing, and cough. Codeine is a narcotic that acts a pain reliever and a cough suppressant, and promethazine is an antihistamine. The brand name Phenergan-Codeine is no longer available in the U.S. Generic versions may be available. Common side effects include drowsiness, dizziness, headache, lightheadedness, blurred vision, upset stomach, nausea, constipation, increased sweating, or dry mouth.

A concise overview of the drug for the patient or caregiver from First DataBank.

Improve treatments & prevent attacks.

The adult dose of codeine and promethazine is 1 tsp (5 ml) every 4 to 6 hours, not to exceed 30 ml in 24 hours. Pediatric dose is based on the child's weight. Codeine and promethazine may interact with sedatives or anxiety medicines, antidepressants, narcotics, phenobarbital, amobarbital, secobarbital, MAO inhibitors, atropine, belladonna, clidinium, dicyclomine, glycopyrrolate, hyoscyamine, methscopolamine, and scopolamine. l your doctor all medications you use. During pregnancy, this drug should be used only if prescribed. It is not recommended for use during the last 3 months of pregnancy due to increased risk for withdrawal symptoms such as irritability, abnormal/persistent crying, diarrhea, or seizures. l your doctor if you notice symptoms in your newborn. This product passes into breast milk and may rarely have undesirable effects on a nursing infant. l your doctor if your infant develops increased sleepiness, difficulty feeding, or trouble breathing. Consult your doctor before breast-feeding. The codeine in this medication may be habit-forming. Withdrawal symptoms may occur if you suddenly stop taking this drug.